The Gospel this Sunday in the Extraordinary Form is St Matthew 22:34-46. At Matins, the Book of Judith is read.
In the Ordinary Form, it is the 25th week in Ordinary Time, and the Gospel is St Mark 9:30-37.
Also this Sunday, the commemoration of St Linus (died 78AD), of whom the martyrology says:
"At Rome, St. Linus, Pope and martyr, who governed the Roman church next after the blessed Apostle Peter. He was crowned with martyrdom, and buried on the Vatican hill beside the same Apostle."